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Implement Binary Search for Static and Dynamic Array #36

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70 changes: 70 additions & 0 deletions SearchingAlgorithms/BinarySearch of Arrays.cpp
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#include <iostream>
#include <vector>
#include <string>


using namespace std;
//===========BinarySearch for Static Array=============
int BinarySearch(int arr[], int begin, int n, int item){
if(n == 0)
return -1;
else{
int lastindex = n + begin -1;
if(item == arr[begin])
return begin;
else if(item == arr[lastindex])
return lastindex;
else{
int middle = (n/2 -1) + begin;
if(item > arr[middle])
BinarySearch(arr, middle+1 , n/2 , item);
else if(item == arr[middle])
return arr[middle];
else
BinarySearch(arr, begin , n/2 , item);
}
}
}

//===========BinarySearch for Dynamic Array -Vector-=========
int search(int arr[] , int n , int item){
int index {0};
return index = BinarySearch(arr, 0 , n , item);
}

//Binary search for Vector

int BinarySearch(vector <int> arr, int begin, int n, int item){
if(n == 0)
return -1;
else{
int lastindex = n + begin -1;
if(item == arr[begin])
return begin;
else if(item == arr[lastindex])
return lastindex;
else{
int middle = (n/2 -1) + begin;
if(item > arr[middle])
BinarySearch(arr, middle+1 , n/2 , item);
else if(item == arr[middle])
return arr[middle];
else
BinarySearch(arr, begin , n/2 , item);
}
}
}

int search(vector<int> arr , int item){
int n = arr.size();
int index {0};
return index = BinarySearch(arr, 0 , n , item);
}
int main(){
int arr[]{1,4,6,9,12,34};
int n = sizeof(arr) / sizeof(arr[0]);
cout << search(arr ,n, 34) << endl;
cout<<"Hello World!"<<endl;

return 0;
}
112 changes: 112 additions & 0 deletions SearchingAlgorithms/binarySearch/BinarySearch.mk
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##
## Auto Generated makefile by CodeLite IDE
## any manual changes will be erased
##
## Debug
ProjectName :=BinarySearch
ConfigurationName :=Debug
WorkspaceConfiguration :=Debug
WorkspacePath :="E:/Software Engineering/CPP/WorkSpaces/LeetCode/Searching"
ProjectPath :="E:/Software Engineering/CPP/WorkSpaces/LeetCode/Searching/BinarySearch"
IntermediateDirectory :=$(ConfigurationName)
OutDir := $(IntermediateDirectory)
CurrentFileName :=
CurrentFilePath :=
CurrentFileFullPath :=
User :=moham
Date :=29/10/2022
CodeLitePath :="C:/Program Files/CodeLite"
LinkerName :=C:/mingw64/bin/g++.exe
SharedObjectLinkerName :=C:/mingw64/bin/g++.exe -shared -fPIC
ObjectSuffix :=.o
DependSuffix :=.o.d
PreprocessSuffix :=.i
DebugSwitch :=-g
IncludeSwitch :=-I
LibrarySwitch :=-l
OutputSwitch :=-o
LibraryPathSwitch :=-L
PreprocessorSwitch :=-D
SourceSwitch :=-c
OutputDirectory :=$(IntermediateDirectory)
OutputFile :=$(IntermediateDirectory)/$(ProjectName).exe
Preprocessors :=
ObjectSwitch :=-o
ArchiveOutputSwitch :=
PreprocessOnlySwitch :=-E
ObjectsFileList :="BinarySearch.txt"
PCHCompileFlags :=
MakeDirCommand :=makedir
RcCmpOptions :=
RcCompilerName :=C:/mingw64/bin/windres.exe
LinkOptions :=
IncludePath := $(IncludeSwitch). $(IncludeSwitch).
IncludePCH :=
RcIncludePath :=
Libs :=
ArLibs :=
LibPath := $(LibraryPathSwitch).

##
## Common variables
## AR, CXX, CC, AS, CXXFLAGS and CFLAGS can be overriden using an environment variables
##
AR := C:/mingw64/bin/ar.exe rcu
CXX := C:/mingw64/bin/g++.exe
CC := C:/mingw64/bin/gcc.exe
CXXFLAGS := -g -O0 -Wall $(Preprocessors)
CFLAGS := -g -O0 -Wall $(Preprocessors)
ASFLAGS :=
AS := C:/mingw64/bin/as.exe


##
## User defined environment variables
##
CodeLiteDir:=C:\Program Files\CodeLite
Objects0=$(IntermediateDirectory)/main.cpp$(ObjectSuffix)



Objects=$(Objects0)

##
## Main Build Targets
##
.PHONY: all clean PreBuild PrePreBuild PostBuild MakeIntermediateDirs
all: $(OutputFile)

$(OutputFile): $(IntermediateDirectory)/.d $(Objects)
@$(MakeDirCommand) $(@D)
@echo "" > $(IntermediateDirectory)/.d
@echo $(Objects0) > $(ObjectsFileList)
$(LinkerName) $(OutputSwitch)$(OutputFile) @$(ObjectsFileList) $(LibPath) $(Libs) $(LinkOptions)

MakeIntermediateDirs:
@$(MakeDirCommand) "$(ConfigurationName)"


$(IntermediateDirectory)/.d:
@$(MakeDirCommand) "$(ConfigurationName)"

PreBuild:


##
## Objects
##
$(IntermediateDirectory)/main.cpp$(ObjectSuffix): main.cpp
@$(CXX) $(CXXFLAGS) $(IncludePCH) $(IncludePath) -MG -MP -MT$(IntermediateDirectory)/main.cpp$(ObjectSuffix) -MF$(IntermediateDirectory)/main.cpp$(DependSuffix) -MM main.cpp
$(CXX) $(IncludePCH) $(SourceSwitch) "E:/Software Engineering/CPP/WorkSpaces/LeetCode/Searching/BinarySearch/main.cpp" $(CXXFLAGS) $(ObjectSwitch)$(IntermediateDirectory)/main.cpp$(ObjectSuffix) $(IncludePath)
$(IntermediateDirectory)/main.cpp$(PreprocessSuffix): main.cpp
$(CXX) $(CXXFLAGS) $(IncludePCH) $(IncludePath) $(PreprocessOnlySwitch) $(OutputSwitch) $(IntermediateDirectory)/main.cpp$(PreprocessSuffix) main.cpp


-include $(IntermediateDirectory)/*$(DependSuffix)
##
## Clean
##
clean:
$(RM) -r $(ConfigurationName)/


98 changes: 98 additions & 0 deletions SearchingAlgorithms/binarySearch/BinarySearch.project
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<?xml version="1.0" encoding="UTF-8"?>
<CodeLite_Project Name="BinarySearch" Version="11000" InternalType="Console">
<Description/>
<Dependencies/>
<Settings Type="Executable">
<GlobalSettings>
<Compiler Options="" C_Options="" Assembler="">
<IncludePath Value="."/>
</Compiler>
<Linker Options="">
<LibraryPath Value="."/>
</Linker>
<ResourceCompiler Options=""/>
</GlobalSettings>
<Configuration Name="Debug" CompilerType="MinGW ( C:\mingw64\bin\ )" DebuggerType="GNU gdb debugger" Type="Executable" BuildCmpWithGlobalSettings="append" BuildLnkWithGlobalSettings="append" BuildResWithGlobalSettings="append">
<Compiler Options="-g;-O0;-Wall" C_Options="-g;-O0;-Wall" Assembler="" Required="yes" PreCompiledHeader="" PCHInCommandLine="no" PCHFlags="" PCHFlagsPolicy="1">
<IncludePath Value="."/>
</Compiler>
<Linker Options="" Required="yes"/>
<ResourceCompiler Options="" Required="no"/>
<General OutputFile="$(IntermediateDirectory)/$(ProjectName).exe" IntermediateDirectory="$(ConfigurationName)" Command="$(OutputFile)" CommandArguments="" UseSeparateDebugArgs="no" DebugArguments="" WorkingDirectory="" PauseExecWhenProcTerminates="yes" IsGUIProgram="no" IsEnabled="yes"/>
<BuildSystem Name="Default"/>
<Environment EnvVarSetName="&lt;Use Defaults&gt;" DbgSetName="&lt;Use Defaults&gt;">
<![CDATA[]]>
</Environment>
<Debugger IsRemote="no" RemoteHostName="" RemoteHostPort="" DebuggerPath="" IsExtended="no">
<DebuggerSearchPaths/>
<PostConnectCommands/>
<StartupCommands/>
</Debugger>
<PreBuild/>
<PostBuild/>
<CustomBuild Enabled="no">
<RebuildCommand/>
<CleanCommand/>
<BuildCommand/>
<PreprocessFileCommand/>
<SingleFileCommand/>
<MakefileGenerationCommand/>
<ThirdPartyToolName>None</ThirdPartyToolName>
<WorkingDirectory/>
</CustomBuild>
<AdditionalRules>
<CustomPostBuild/>
<CustomPreBuild/>
</AdditionalRules>
<Completion EnableCpp11="no" EnableCpp14="no">
<ClangCmpFlagsC/>
<ClangCmpFlags/>
<ClangPP/>
<SearchPaths/>
</Completion>
</Configuration>
<Configuration Name="Release" CompilerType="MinGW ( C:\mingw64\bin\ )" DebuggerType="GNU gdb debugger" Type="Executable" BuildCmpWithGlobalSettings="append" BuildLnkWithGlobalSettings="append" BuildResWithGlobalSettings="append">
<Compiler Options="-O2;-Wall" C_Options="-O2;-Wall" Assembler="" Required="yes" PreCompiledHeader="" PCHInCommandLine="no" PCHFlags="" PCHFlagsPolicy="1">
<IncludePath Value="."/>
<Preprocessor Value="NDEBUG"/>
</Compiler>
<Linker Options="" Required="yes"/>
<ResourceCompiler Options="" Required="no"/>
<General OutputFile="$(IntermediateDirectory)/$(ProjectName).exe" IntermediateDirectory="$(ConfigurationName)" Command="$(OutputFile)" CommandArguments="" UseSeparateDebugArgs="no" DebugArguments="" WorkingDirectory="" PauseExecWhenProcTerminates="yes" IsGUIProgram="no" IsEnabled="yes"/>
<BuildSystem Name="Default"/>
<Environment EnvVarSetName="&lt;Use Defaults&gt;" DbgSetName="&lt;Use Defaults&gt;">
<![CDATA[]]>
</Environment>
<Debugger IsRemote="no" RemoteHostName="" RemoteHostPort="" DebuggerPath="" IsExtended="no">
<DebuggerSearchPaths/>
<PostConnectCommands/>
<StartupCommands/>
</Debugger>
<PreBuild/>
<PostBuild/>
<CustomBuild Enabled="no">
<RebuildCommand/>
<CleanCommand/>
<BuildCommand/>
<PreprocessFileCommand/>
<SingleFileCommand/>
<MakefileGenerationCommand/>
<ThirdPartyToolName>None</ThirdPartyToolName>
<WorkingDirectory/>
</CustomBuild>
<AdditionalRules>
<CustomPostBuild/>
<CustomPreBuild/>
</AdditionalRules>
<Completion EnableCpp11="no" EnableCpp14="no">
<ClangCmpFlagsC/>
<ClangCmpFlags/>
<ClangPP/>
<SearchPaths/>
</Completion>
</Configuration>
</Settings>
<VirtualDirectory Name="src">
<File Name="main.cpp"/>
</VirtualDirectory>
</CodeLite_Project>
1 change: 1 addition & 0 deletions SearchingAlgorithms/binarySearch/BinarySearch.txt
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Debug/main.cpp.o
9 changes: 9 additions & 0 deletions SearchingAlgorithms/binarySearch/compile_flags.txt
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-IE:\Software Engineering\CPP\WorkSpaces\LeetCode\Searching\BinarySearch
-IC:\mingw64\lib\gcc\x86_64-w64-mingw32\8.1.0\include\c++
-IC:\mingw64\lib\gcc\x86_64-w64-mingw32\8.1.0\include\c++\x86_64-w64-mingw32
-IC:\mingw64\lib\gcc\x86_64-w64-mingw32\8.1.0\include\c++\backward
-IC:\mingw64\lib\gcc\x86_64-w64-mingw32\8.1.0\include
-IC:\mingw64\lib\gcc\x86_64-w64-mingw32\8.1.0\include-fixed
-IC:\mingw64\x86_64-w64-mingw32\include
-target
x86_64-w64-mingw32
70 changes: 70 additions & 0 deletions SearchingAlgorithms/binarySearch/main.cpp
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#include <iostream>
#include <vector>
#include <string>


using namespace std;
//===========BinarySearch for Static Array=============
int BinarySearch(int arr[], int begin, int n, int item){
if(n == 0)
return -1;
else{
int lastindex = n + begin -1;
if(item == arr[begin])
return begin;
else if(item == arr[lastindex])
return lastindex;
else{
int middle = (n/2 -1) + begin;
if(item > arr[middle])
BinarySearch(arr, middle+1 , n/2 , item);
else if(item == arr[middle])
return arr[middle];
else
BinarySearch(arr, begin , n/2 , item);
}
}
}

//===========BinarySearch for Dynamic Array -Vector-=========
int search(int arr[] , int n , int item){
int index {0};
return index = BinarySearch(arr, 0 , n , item);
}

//Binary search for Vector

int BinarySearch(vector <int> arr, int begin, int n, int item){
if(n == 0)
return -1;
else{
int lastindex = n + begin -1;
if(item == arr[begin])
return begin;
else if(item == arr[lastindex])
return lastindex;
else{
int middle = (n/2 -1) + begin;
if(item > arr[middle])
BinarySearch(arr, middle+1 , n/2 , item);
else if(item == arr[middle])
return arr[middle];
else
BinarySearch(arr, begin , n/2 , item);
}
}
}

int search(vector<int> arr , int item){
int n = arr.size();
int index {0};
return index = BinarySearch(arr, 0 , n , item);
}
int main(){
int arr[]{1,4,6,9,12,34};
int n = sizeof(arr) / sizeof(arr[0]);
cout << search(arr ,n, 34) << endl;
cout<<"Hello World!"<<endl;

return 0;
}